Added support for DrawEllipse and pen styles to

GNOME printing. Added test.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30794 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/printing/printing.cpp

@@ -36,7 +36,7 @@
 #include "wx/metafile.h"
 #include "wx/print.h"
 #include "wx/printdlg.h"
-
+#include "wx/image.h"
 #include "wx/accel.h"
 
 #if wxTEST_POSTSCRIPT_IN_MSW
@@ -71,6 +71,8 @@ bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLog
 
 bool MyApp::OnInit(void)
 {
+    wxInitAllImageHandlers();
+
     m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL);
 
     g_printData = new wxPrintData;
@@ -108,6 +110,9 @@ bool MyApp::OnInit(void)
     file_menu->Append(WXPRINT_PAGE_SETUP_PS, _T("Page Setup PostScript..."),              _T("Page setup (PostScript)"));
     file_menu->Append(WXPRINT_PREVIEW_PS, _T("Print Preview PostScript"),              _T("Preview (PostScript)"));
 #endif
+    file_menu->AppendSeparator();
+    file_menu->Append(WXPRINT_ANGLEUP, _T("Angle up\tAlt-U"),                _T("Raise rotated text angle"));
+    file_menu->Append(WXPRINT_ANGLEDOWN, _T("Angle down\tAlt-D"),            _T("Lower rotated text angle"));
     file_menu->AppendSeparator();
     file_menu->Append(WXPRINT_QUIT, _T("E&xit"),                _T("Exit program"));
 
@@ -159,6 +164,8 @@ EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS)
 EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
 EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
 #endif
+EVT_MENU(WXPRINT_ANGLEUP, MyFrame::OnAngleUp)
+EVT_MENU(WXPRINT_ANGLEDOWN, MyFrame::OnAngleDown)
 END_EVENT_TABLE()
 
 // Define my frame constructor
@@ -166,6 +173,16 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, cons
 wxFrame(frame, wxID_ANY, title, pos, size)
 {
     canvas = NULL;
+    m_angle = 30;
+#if 0
+    wxImage image( wxT("test.jpg") );
+    image.SetAlpha();
+    int i,j;
+    for (i = 0; i < image.GetWidth(); i++)
+       for (j = 0; j < image.GetHeight(); j++)
+          image.SetAlpha( i, j, 50 );
+    m_bitmap = image;
+#endif
 }
 
 void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
@@ -212,7 +229,7 @@ void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
 {
-    (*g_pageSetupData) = * g_printData;
+    (*g_pageSetupData) = *g_printData;
 
     wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
     pageSetupDialog.ShowModal();
@@ -261,6 +278,18 @@ void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event))
         _T("About wxWidgets printing demo"), wxOK|wxCENTRE);
 }
 
+void MyFrame::OnAngleUp(wxCommandEvent& event)
+{
+    m_angle += 5;
+    canvas->Refresh();
+}
+
+void MyFrame::OnAngleDown(wxCommandEvent& event)
+{
+    m_angle -= 5;
+    canvas->Refresh();
+}
+
 void MyFrame::Draw(wxDC& dc)
 {
     dc.SetBackground(*wxWHITE_BRUSH);
@@ -269,23 +298,34 @@ void MyFrame::Draw(wxDC& dc)
 
     dc.SetBackgroundMode(wxTRANSPARENT);
 
-    dc.SetBrush(* wxCYAN_BRUSH);
+    dc.SetBrush(*wxCYAN_BRUSH);
-    dc.SetPen(* wxRED_PEN);
+    dc.SetPen(*wxRED_PEN);
 
     dc.DrawRectangle(0, 30, 200, 100);
 
     dc.DrawText( wxT("Rectangle 200 by 100"), 40, 40);
 
+    dc.SetPen( wxPen(*wxBLACK,0,wxDOT_DASH) );
     dc.DrawEllipse(50, 140, 100, 50);
+    dc.SetPen(*wxRED_PEN);
 
     dc.DrawText( wxT("Test message: this is in 10 point text"), 10, 180);
-
+    
 #if wxUSE_UNICODE
     char *test = "Hebrew    שלום -- Japanese (日本語)";
     wxString tmp = wxConvUTF8.cMB2WC( test );
     dc.DrawText( tmp, 10, 200 );
 #endif
 
+    wxString str;
+    int i = 0;
+    str.Printf( wxT("---- Text at angle %d ----"), i );
+    dc.DrawRotatedText( str, 100, 300, i );
+
+    i = m_angle;
+    str.Printf( wxT("---- Text at angle %d ----"), i );
+    dc.DrawRotatedText( str, 100, 300, i );
+
     dc.SetPen(* wxBLACK_PEN);
     dc.DrawLine(0, 0, 200, 200);
     dc.DrawLine(200, 0, 0, 200);
@@ -293,6 +333,9 @@ void MyFrame::Draw(wxDC& dc)
     wxIcon my_icon = wxICON(mondrian) ;
 
     dc.DrawIcon( my_icon, 100, 100);
+    
+    if (m_bitmap.Ok())
+        dc.DrawBitmap( m_bitmap, 10, 10 );
 }
 
 void MyFrame::OnSize(wxSizeEvent& event )

samples/printing/printing.h

@@ -33,9 +33,13 @@ class MyFrame: public wxFrame
 {
   public:
     MyCanvas *canvas;
+    wxBitmap m_bitmap;
+    int      m_angle;
     MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size);
 
     void Draw(wxDC& dc);
+    void OnAngleUp(wxCommandEvent& event);
+    void OnAngleDown(wxCommandEvent& event);
 
     void OnSize(wxSizeEvent& event);
     void OnPrint(wxCommandEvent& event);
@@ -89,3 +93,5 @@ class MyPrintout: public wxPrintout
 
 #define WXPRINT_ABOUT           109
 
+#define WXPRINT_ANGLEUP         110
+#define WXPRINT_ANGLEDOWN       111

src/gtk/gnome/gprint.cpp

@@ -386,7 +386,7 @@ int wxGnomePageSetupDialog::ShowModal()
         
         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 
-#if 1
+#if 0
         wxPrintf( wxT("paper %d %d, top margin %d\n"), 
             m_pageDialogData.GetPaperSize().x,
             m_pageDialogData.GetPaperSize().y,
@@ -637,10 +637,10 @@ void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
     
     SetPen( m_pen );
 
-	gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
+    gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
-	gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
+    gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
-	gnome_print_stroke ( m_gpc);
+    gnome_print_stroke ( m_gpc);
-	
+
     CalcBoundingBox( x1, y1 );
     CalcBoundingBox( x2, y2 );
 }
@@ -663,6 +663,22 @@ void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
 
 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {
+    if (m_pen.GetStyle() == wxTRANSPARENT) return;
+
+    if (n <= 0) return;
+
+    SetPen (m_pen);
+
+    int i;
+    for ( i =0; i<n ; i++ )
+        CalcBoundingBox( XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset));
+
+    gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
+    
+    for (i = 1; i < n; i++)
+        gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
+
+    gnome_print_stroke ( m_gpc);
 }
 
 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
@@ -714,6 +730,57 @@ void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width,
 
 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {
+    if (m_brush.GetStyle () != wxTRANSPARENT)
+    {
+        SetBrush( m_brush );
+        
+        gnome_print_newpath( m_gpc );
+        gnome_print_moveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                           
+        // start with top half
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
+        // lower half        
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x+width), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                            
+        gnome_print_closepath( m_gpc );
+        gnome_print_fill( m_gpc );
+        
+        CalcBoundingBox( x, y );
+        CalcBoundingBox( x + width, y + height );
+    }
+
+    if (m_pen.GetStyle () != wxTRANSPARENT)
+    {
+        SetPen (m_pen);
+
+        gnome_print_newpath( m_gpc );
+        gnome_print_moveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                           
+        // start with top half
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
+        // lower half        
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x+width), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                            
+        gnome_print_closepath( m_gpc );
+        gnome_print_stroke( m_gpc );
+        
+        CalcBoundingBox( x, y );
+        CalcBoundingBox( x + width, y + height );
+    }
 }
 
 void wxGnomePrintDC::DoDrawSpline(wxList *points)
@@ -946,6 +1013,24 @@ void wxGnomePrintDC::SetPen( const wxPen& pen )
 
     gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
 
+
+    static const double dotted[] =  {2.0, 5.0};
+    static const double short_dashed[] = {4.0, 4.0};
+    static const double wxCoord_dashed[] = {4.0, 8.0};
+    static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
+
+    switch (m_pen.GetStyle())
+    {
+        case wxDOT:           gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
+        case wxSHORT_DASH:    gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
+        case wxLONG_DASH:     gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
+        case wxDOT_DASH:      gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
+        case wxSOLID:
+        case wxTRANSPARENT:
+        default:              gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
+    }
+
+    
     unsigned char red = m_pen.GetColour().Red();
     unsigned char blue = m_pen.GetColour().Blue();
     unsigned char green = m_pen.GetColour().Green();
@@ -1028,6 +1113,7 @@ bool wxGnomePrintDC::StartDoc(const wxString& message)
 
 void wxGnomePrintDC::EndDoc()
 {
+    gnome_print_end_doc( m_gpc );
 }
 
 void wxGnomePrintDC::StartPage()

src/gtk1/gnome/gprint.cpp

@@ -386,7 +386,7 @@ int wxGnomePageSetupDialog::ShowModal()
         
         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 
-#if 1
+#if 0
         wxPrintf( wxT("paper %d %d, top margin %d\n"), 
             m_pageDialogData.GetPaperSize().x,
             m_pageDialogData.GetPaperSize().y,
@@ -637,10 +637,10 @@ void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
     
     SetPen( m_pen );
 
-	gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
+    gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
-	gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
+    gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
-	gnome_print_stroke ( m_gpc);
+    gnome_print_stroke ( m_gpc);
-	
+
     CalcBoundingBox( x1, y1 );
     CalcBoundingBox( x2, y2 );
 }
@@ -663,6 +663,22 @@ void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
 
 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {
+    if (m_pen.GetStyle() == wxTRANSPARENT) return;
+
+    if (n <= 0) return;
+
+    SetPen (m_pen);
+
+    int i;
+    for ( i =0; i<n ; i++ )
+        CalcBoundingBox( XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset));
+
+    gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
+    
+    for (i = 1; i < n; i++)
+        gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
+
+    gnome_print_stroke ( m_gpc);
 }
 
 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
@@ -714,6 +730,57 @@ void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width,
 
 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {
+    if (m_brush.GetStyle () != wxTRANSPARENT)
+    {
+        SetBrush( m_brush );
+        
+        gnome_print_newpath( m_gpc );
+        gnome_print_moveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                           
+        // start with top half
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
+        // lower half        
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x+width), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                            
+        gnome_print_closepath( m_gpc );
+        gnome_print_fill( m_gpc );
+        
+        CalcBoundingBox( x, y );
+        CalcBoundingBox( x + width, y + height );
+    }
+
+    if (m_pen.GetStyle () != wxTRANSPARENT)
+    {
+        SetPen (m_pen);
+
+        gnome_print_newpath( m_gpc );
+        gnome_print_moveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                           
+        // start with top half
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y),
+                            XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
+        // lower half        
+        gnome_print_curveto( m_gpc, 
+                            XLOG2DEV(x+width), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height),
+                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
+                            
+        gnome_print_closepath( m_gpc );
+        gnome_print_stroke( m_gpc );
+        
+        CalcBoundingBox( x, y );
+        CalcBoundingBox( x + width, y + height );
+    }
 }
 
 void wxGnomePrintDC::DoDrawSpline(wxList *points)
@@ -946,6 +1013,24 @@ void wxGnomePrintDC::SetPen( const wxPen& pen )
 
     gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
 
+
+    static const double dotted[] =  {2.0, 5.0};
+    static const double short_dashed[] = {4.0, 4.0};
+    static const double wxCoord_dashed[] = {4.0, 8.0};
+    static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
+
+    switch (m_pen.GetStyle())
+    {
+        case wxDOT:           gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
+        case wxSHORT_DASH:    gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
+        case wxLONG_DASH:     gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
+        case wxDOT_DASH:      gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
+        case wxSOLID:
+        case wxTRANSPARENT:
+        default:              gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
+    }
+
+    
     unsigned char red = m_pen.GetColour().Red();
     unsigned char blue = m_pen.GetColour().Blue();
     unsigned char green = m_pen.GetColour().Green();
@@ -1028,6 +1113,7 @@ bool wxGnomePrintDC::StartDoc(const wxString& message)
 
 void wxGnomePrintDC::EndDoc()
 {
+    gnome_print_end_doc( m_gpc );
 }
 
 void wxGnomePrintDC::StartPage()